Historical tsunamis · Aug 14, 2026, 9:58 PM UTC
2026 Flores Sea tsunami
Indonesia
The tsunami of Aug 14, 2026, 9:58 PM UTC originated near Flores Sea (Indonesia).
Key facts
- Date
- Aug 14, 2026, 9:58 PM UTC
- Cause
- Earthquake
- Magnitude
- M7.7
- Depth
- 10 km
- Maximum documented water height
- 2.92 m
- Deaths
- 156
- Injuries
- 1,620
- Houses destroyed
- 5,099
- Damage
- extreme (over US$ 25 million)
- Observation records
- 44
- Countries affected
- 1
It was triggered by a magnitude 7.7 earthquake at a depth of 10 km.
The highest documented water height was 2.92 m (Salama, 1, Indonesia).
44 observation sites in 1 countries are recorded.
The database records 156 deaths.
Houses destroyed: 5,099.
Damage is estimated at extreme (over US$ 25 million).
Map of observation sites
44Each dot is a documented observation site; colour and size show the observed water height. The triangle marks the source.
Tsunami arrival times
Documented arrival times from the NOAA/NCEI database, showing the earliest recorded location per country. Coverage is incomplete: a country without an entry was not necessarily spared.
- 0:00 hEarthquake (origin) · Aug 14, 2026, 9:58 PM UTC
- 0:05 hIndonesia · Manggarai Timur · 1.69 m
15 places with a documented arrival time
Observations by country
| Country | Observation records | Maximum documented water height | Deaths | Earliest arrival |
|---|---|---|---|---|
| Indonesia | 44 | 2.92 m Salama, 1 | — | 0:05 h |
Highest documented water heights
15 / 44Individual documented observations for this event. Heights come from different measurement types and sources; not every location has a measured height.
| Location / station | Observed height | Distance from source | Country |
|---|---|---|---|
| Salama, 1 · East Nusa Tenggara | 2.92 m | 96 km | Indonesia |
| Tompong 2 · East Nusa Tenggara | 2.28 m | 56 km | Indonesia |
| Tompong 3 · East Nusa Tenggara | 2.19 m | 56 km | Indonesia |
| Kp Pecah 1 · East Nusa Tenggara | 2.15 m | 99 km | Indonesia |
| Pota 2 · East Nusa Tenggara | 1.97 m | 66 km | Indonesia |
| S Padut 2 · East Nusa Tenggara | 1.93 m | 83 km | Indonesia |
| Tompong 1 · East Nusa Tenggara | 1.92 m | 56 km | Indonesia |
| Bungkang · East Nusa Tenggara | 1.91 m | 100 km | Indonesia |
| St Padut 1 · East Nusa Tenggara | 1.80 m | 83 km | Indonesia |
| Kampas 1 · East Nusa Tenggara | 1.79 m | 86 km | Indonesia |
| Manggarai Timur · East Nusa Tenggara | 1.69 m | 70 km | Indonesia |
| Kampas 2 · East Nusa Tenggara | 1.62 m | 87 km | Indonesia |
| Reo · East Nusa Tenggara | 1.61 m | 99 km | Indonesia |
| Pota 1 · East Nusa Tenggara | 1.53 m | 65 km | Indonesia |
| Robek · East Nusa Tenggara | 1.31 m | 104 km | Indonesia |
More tsunamis
Source: NOAA National Centers for Environmental Information (NCEI), Global Historical Tsunami Database. Confirmed events only. Deaths and damage are database estimates; older records are incomplete. Water heights come from different types of observation.